如果所有条件都符合，同时也符合简单的语法规则，那么还不能保证可以使用空间网格索引来满足查询。

If all conditions are met, including the simple syntax rule, it is still not ensured that a spatial grid index is used to satisfy the query.

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熟悉药品注册相关信息检索及论坛，能够完成相关项目进展跟踪及相关外文法规检索查询。

Proficiency in drug registration application related database and BBS. Follow on project progress and search related regulation.

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